Air fresheners, cleaning products, candles, hairsprays, potpourri, perfumes and colognes are just some of the fragrant chemicals that can contribute to encephalopathy, which can refer to any disease that alters brain function, the foundation says. While manmade “toxins” are not the only cause of encephalopathy, more and more studies are suggest that they can contribute to such diseases as autism, Alzheimers, ADD / ADHD, and Parkinson’s.

Information from the foundation encouraged Las Vegas Councilwoman Lois Tarkanian to support the proclamation of May 26 as Indoor Air Quality Awareness Day. She asks that on this day, people forego using the products above and use less harmful alternatives — like vinegar in lieu of cleaning products, for example..